The Automotive General Topics forum is NOT for any maintenance related discussions. We have a separate forum for that, yet people continually post about maintenance issues here.
If you have a maintenance question about your car or truck, please post it in the appropriate forum. Thanks.
2014 Mercedes CLA 250 (Mobil 1 0w40)
2007 Jeep Grand Cherokee (Mobil 1 HM 5w20)
2005 Corvette (RLI 5w40 HD Low Ash)